Added information for COPYRIGHTS file to README.developers.
Added information for COPYRIGHTS file to README.developers.

darcs-hash:20060504154510-7659e-cf244c26e98f8092c3eef5f70f58a9695987fb6d.gz

xhook/sofia-sip,BelledonneCommunications/sofia-sip,unispeech/sofia-sip,xhook/sofia-sip,BelledonneCommunications/sofia-sip,BelledonneCommunications/sofia-sip,xhook/sofia-sip,jart/sofia-sip,xhook/sofia-sip,erdincay/sofia-sip,unispeech/sofia-sip,xhook/sofia-sip,unispeech/sofia-sip,BelledonneCommunications/sofia-sip,erdincay/sofia-sip,erdincay/sofia-sip,jart/sofia-sip,unispeech/sofia-sip,erdincay/sofia-sip,jart/sofia-sip